将题后的单词转换为适当的词性，填入空格内：

1 The ( 　) of yellow and blue form green.
combine

2 The store is in an ideal (　 ) to draw tourists.
situate

3 The thief’s (　 ) of guilt closed the case.
confess

4 There is no (　 ) between the nations.
relate

5 He had a long telephone (　 ).
converse

　　答案：
1 combination
2 situation
3 confession
4 relation
5 conversation